HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

What are some over-the-counter potassium-channel blockers?

A doctor has provided 1 answer
Dr. W. james Chon answered

Specializes in Nephrology and Dialysis

No OTC: All K+ channel blockers (a/k/a Class III Antiarrhythmic) such as amoidarone, dronedarone, sotalol, bretylium require prescription.

Answered 2/14/2015

3.2k views

Thank

Related Questions

A member asked:

Would compression brace help calf cramps and how does it help? Magnesium helped me some too. Any other suggestions for things to try that are over the counter? No blood clots. Potassium and Magnesium were within normal range by labs.

A doctor has provided 1 answer

A member asked:

Would routine blood work of electrolytes indicate a problem with Voltage-gated potassium channels? What test would be needed? Symptoms associated?

A doctor has provided 1 answer

A member asked:

How much potassium can you eat at once and not develop hyperkalemia if you're taking angiotensin receptor blockers and have normal kidney function. For example eating a cup of yogurt with two bananas and some nuts is about 1000mg of potassium?

A doctor has provided 1 answer

A member asked:

Trying to add fruits to my diet. I take 6.25 mg of coreg(carvedilol) twice a day. ive heard beta blockers like coreg can affect potassium levels. is it safe for me to eat a banana(and the potassium within it) while on coreg?

A doctor has provided 1 answer

A member asked:

I have rising potassium on lisinopril. Switched to amlodipine starting tmrw. What can I expect from change of ACE inhibitor to calcium channel blocker?

A doctor has provided 1 answer

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

Are over-the-counter potassium supplements safe?
What are the best over-the-counter potassium supplements?
Potassium cl 20meq ER tablets over the counter?
How much potassium supplements should I take over-the-counter for low potassium levels I have hypokalimea?
Doctor wanted to use 25mg spironolactone to counter effect potassium lose by hct in ben/hct.I wonder why not use Benicar (olmesartan) without hctz. How effective. ?

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.